MX2021000396A - Método de codificación de nube de puntos, método de decodificación de nube de puntos, codificador y decodificador. - Google Patents

Método de codificación de nube de puntos, método de decodificación de nube de puntos, codificador y decodificador.

Info

Publication number
MX2021000396A
MX2021000396A MX2021000396A MX2021000396A MX2021000396A MX 2021000396 A MX2021000396 A MX 2021000396A MX 2021000396 A MX2021000396 A MX 2021000396A MX 2021000396 A MX2021000396 A MX 2021000396A MX 2021000396 A MX2021000396 A MX 2021000396A
Authority
MX
Mexico
Prior art keywords
coded
patch
coordinate axis
point cloud
coding
Prior art date
Application number
MX2021000396A
Other languages
English (en)
Inventor
Bo Liu
Dejun Zhang
Wei Hu
Wenhai Wu
Tian Wang
Original Assignee
Huawei Tech Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Huawei Tech Co Ltd filed Critical Huawei Tech Co Ltd
Publication of MX2021000396A publication Critical patent/MX2021000396A/es

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T9/00—Image coding
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
    • H04N21/81—Monomedia components thereof
    • H04N21/816—Monomedia components thereof involving special video data, e.g 3D video
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T15/00—3D [Three Dimensional] image rendering
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T3/00—Geometric image transformations in the plane of the image
    • G06T3/60—Rotation of whole images or parts thereof
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T3/00—Geometric image transformations in the plane of the image
    • G06T3/60—Rotation of whole images or parts thereof
    • G06T3/602—Rotation of whole images or parts thereof by block rotation, e.g. by recursive reversal or rotation
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T9/00—Image coding
    • G06T9/001—Model-based coding, e.g. wire frame
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
    • H04N19/184—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being bits, e.g. of the compressed video stream
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/20—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using video object coding
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/42—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation
    • H04N19/423—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation characterised by memory arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/46—Embedding additional information in the video signal during the compression process
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/597—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding specially adapted for multi-view video sequence encoding
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/70—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by syntax aspects related to video coding, e.g. related to compression standards
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
    • H04N21/234—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs
    • H04N21/2343—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs
    • H04N21/4402—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs involving reformatting operations of video signals for household redistribution, storage or real-time display

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Graphics (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Processing Or Creating Images (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)

Abstract

Las modalidades de esta solicitud se relacionan con el campo de las tecnologías de codificación y describen un método de codificación de nubes de puntos, un método de decodificación de nubes de puntos, un codificador y un decodificador, para proporcionar soluciones técnicas para codificar y decodificar datos de nubes de puntos de manera efectiva. El método de codificación de la nube de puntos puede incluir: adquirir un eje normal de un parche a codificar en una nube de puntos a codificar e información de descripción de un rectángulo delimitador mínimo correspondiente al parche a codificar, en donde el eje normal del parche a codificar y la información de descripción del rectángulo delimitador mínimo correspondiente al parche a codificar se utilizan para determinar un eje tangente del parche a codificar y un eje bitangente del parche a codificar; y codificar un elemento de sintaxis en una corriente de bits, en donde el elemento de sintaxis se usa para indicar el eje tangente del parche a codificar y el eje bitangente del parche a codificar, y el elemento de sintaxis incluye un índice del eje normal del parche a codificar e información usada para indicar la información de descripción del rectángulo delimitador mínimo correspondiente al parche a codificar.
MX2021000396A 2018-07-12 2019-07-12 Método de codificación de nube de puntos, método de decodificación de nube de puntos, codificador y decodificador. MX2021000396A (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201810766911.3A CN110719497B (zh) 2018-07-12 2018-07-12 点云编解码方法和编解码器
PCT/CN2019/095884 WO2020011265A1 (zh) 2018-07-12 2019-07-12 点云编解码方法和编解码器

Publications (1)

Publication Number Publication Date
MX2021000396A true MX2021000396A (es) 2021-05-12

Family

ID=69143170

Family Applications (1)

Application Number Title Priority Date Filing Date
MX2021000396A MX2021000396A (es) 2018-07-12 2019-07-12 Método de codificación de nube de puntos, método de decodificación de nube de puntos, codificador y decodificador.

Country Status (9)

Country Link
US (1) US20210183110A1 (es)
EP (1) EP3813377A4 (es)
JP (1) JP7264572B2 (es)
KR (2) KR20220165287A (es)
CN (1) CN110719497B (es)
BR (1) BR112021000366A2 (es)
MX (1) MX2021000396A (es)
SG (1) SG11202100255QA (es)
WO (1) WO2020011265A1 (es)

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CN111729322A (zh) * 2020-06-15 2020-10-02 完美世界(北京)软件科技发展有限公司 模型的描边处理方法、装置、计算机设备及可读存储介质
CN114078191A (zh) * 2020-08-18 2022-02-22 腾讯科技（深圳）有限公司 一种点云媒体的数据处理方法、装置、设备及介质
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Also Published As

Publication number Publication date
JP7264572B2 (ja) 2023-04-25
SG11202100255QA (en) 2021-02-25
WO2020011265A1 (zh) 2020-01-16
EP3813377A1 (en) 2021-04-28
JP2021524642A (ja) 2021-09-13
KR20210030440A (ko) 2021-03-17
KR20220165287A (ko) 2022-12-14
BR112021000366A2 (pt) 2021-04-06
US20210183110A1 (en) 2021-06-17
EP3813377A4 (en) 2021-06-02
CN110719497A (zh) 2020-01-21
KR102473729B1 (ko) 2022-12-01
CN110719497B (zh) 2021-06-22

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